/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/DynamicMesh3.h
Set internal data structures to be a copy of input mesh using the specified attributes
void Copy ( const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & CopyMesh, bool bNormals, bool bColors, bool bUVs, bool bAttributes )